# Example MQTT OTA server script
import paho.mqtt.client as mqtt

def on_connect(client, userdata, flags, rc):
    print("Connected with result code " + str(rc))
    client.subscribe("ota/firmware")

def on_message(client, userdata, msg):
    print(f"Received firmware update: {msg.payload}")

client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message

client.connect("mqtt.example.com", 1883, 60)
client.loop_forever()